Process for production of sugar ketals

Details Process for production of sugar ketals Process for production of sugar ketals

1983-03-23

1984-08-07

Brown, Johnnie R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536120, 536 41, 568394, C07H 100

Patent

active

044645309

ABSTRACT:
A process is disclosed for production of a sugar ketal, which comprises reacting a sugar with a ketone in the presence of hydrogen iodide. The formation of unfavorable by-products can be reduced to a trace amount. The process offers the objective ketal in improved yields, and an industrially advantageous process.

REFERENCES:
patent: 3598804 (1971-08-01), Hindley et al.
patent: 3607862 (1971-09-01), Jaffe et al.
patent: 3622560 (1971-11-01), Hindley et al.
Adkins et al. J. Amer. Chem. Soc., vol. 44, (1922) pp. 2749-2755.
Migrichian, Organic Synthesis, vol. 1, (1957) pp. 43-46.
Journal of American Chemical Society, 45, 734-751 (1923), Harold Hibbert and Harold S. Hill.
The Journal of the American Chemical Society 37 1748 (1915) ibid. 45, 734 (1923).

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